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Finding the Fourth Proportional to 7,132.96, 9,845.52 and 4,339.36

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Solution

The fourth proportional to 7,132.96, 9,845.52 and 4,339.36 is: 5,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.96 : 9,845.52 = 4,339.36 : x
  2. Step 2: Convert to fraction form
    7,132.96/9,845.52 = 4,339.36/x
  3. Step 3: Cross multiply
    7,132.96x = 9,845.52 × 4,339.36
  4. Step 4: Simplify right side
    7,132.96x = 42,723,255.67
  5. Step 5: Solve for x
    x = 42,723,255.67/7,132.96
  6. Step 6: Final answer
    x = 5,989.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.